[gradsusr] ploting problems

[kombo kai]

Hi jannifar
Thanks for your directives but still it seems not working.
I have done what you directed me as follows

'sdfopen d:/vorticity/uwnd.mon.mean.nc'
 'sdfopen d:/vorticity/vwnd.mon.mean.nc'
 'set lon 0 360'
 'set lat -90 90'
 'set t 1 778'
'set x 1 144'
 'set z 10'
 'define U1=uwnd(z=10)'
 'define V1=vwnd.2(z=10)'
 'set z 3'
 'define U2=uwnd(z=3)'
 'define V2=vwnd.2(z=2)'
 'define U=U1-U2'
 'define V=V1-V2'
 'define evws28=sqrt(U*U+V*V)'
 'set sdfwrite d:/EVWSdata/evws_200-850.nc'
 'sdfwrite evws28'
Now when I do the following settings 
set t 34
set lon -70 120
set lat -45 45
set gxout contour
set cint 10
set cclor 2
set cmark 2
set cstyle 1
d evws28 
I get the aatchefdplor which is wrong
more directives is required 
rgds
kaikombo

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